Matter creation is the process inverse to particle annihilation. It is the conversion of massless particles into one or more massive particles. This process is the time reversal of annihilation. Since all known massless particles are bosons and the most familiar massive particles are fermions, usually what is considered is the process which converts two bosons (e.g. photons) into two fermions (e.g., an electron–positron pair).
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Famous quotes containing the words matter and/or creation:
“When you gonna get married, Marty? You should be ashamed of yourself. All your brothers and sisters, younger than you, they get married and got the children. I meet your mother in the produce store. She say to me Eh, you know a nice girl for my boy Marty? Whats the matter with you? Thats no way!”
—Paddy Chayefsky (19231981)
“Hes indestructible. Frankensteins creation is mans challenge to the laws of life and death.”
—Edward T. Lowe, and Erle C. Kenton. Dr. Edelman (Onslow Stevens)